percpu_32.h revision 654325de026a2ca5b76b8b40e576c959d8211fdc
11dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/**************************************************************************** 21dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project **************************************************************************** 31dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project *** 41dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project *** This header was automatically generated from a Linux kernel header 51dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project *** of the same name, to make information necessary for userspace to 61dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project *** call into the kernel available to libc. It contains only constants, 71dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project *** structures, and macros generated from the original header, and thus, 81dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project *** contains no copyrightable information. 91dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project *** 10654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng *** To edit the content of this header, modify the corresponding 11654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng *** source file (e.g. under external/kernel-headers/original/) then 12654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng *** run bionic/libc/kernel/tools/update_all.py 13654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng *** 14654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng *** Any manual change here will be lost the next time this script will 15654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng *** be run. You've been warned! 16654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng *** 171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project **************************************************************************** 181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project ****************************************************************************/ 191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef __ARCH_I386_PERCPU__ 201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __ARCH_I386_PERCPU__ 211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifdef __ASSEMBLY__ 221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define PER_CPU(var, reg) movl $per_cpu__##var, reg 23654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define PER_CPU_VAR(var) per_cpu__##var 251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#else 261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <asm-generic/percpu.h> 271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __percpu_seg "" 28654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define percpu_to_op(op,var,val) do { typedef typeof(var) T__; if (0) { T__ tmp__; tmp__ = (val); } switch (sizeof(var)) { case 1: asm(op "b %1,"__percpu_seg"%0" : "+m" (var) :"ri" ((T__)val)); break; case 2: asm(op "w %1,"__percpu_seg"%0" : "+m" (var) :"ri" ((T__)val)); break; case 4: asm(op "l %1,"__percpu_seg"%0" : "+m" (var) :"ri" ((T__)val)); break; default: __bad_percpu_size(); } } while (0) 301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define percpu_from_op(op,var) ({ typeof(var) ret__; switch (sizeof(var)) { case 1: asm(op "b "__percpu_seg"%1,%0" : "=r" (ret__) : "m" (var)); break; case 2: asm(op "w "__percpu_seg"%1,%0" : "=r" (ret__) : "m" (var)); break; case 4: asm(op "l "__percpu_seg"%1,%0" : "=r" (ret__) : "m" (var)); break; default: __bad_percpu_size(); } ret__; }) 311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define x86_read_percpu(var) percpu_from_op("mov", per_cpu__##var) 321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define x86_write_percpu(var,val) percpu_to_op("mov", per_cpu__##var, val) 33654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 341dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define x86_add_percpu(var,val) percpu_to_op("add", per_cpu__##var, val) 351dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define x86_sub_percpu(var,val) percpu_to_op("sub", per_cpu__##var, val) 361dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define x86_or_percpu(var,val) percpu_to_op("or", per_cpu__##var, val) 371dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 38654325de026a2ca5b76b8b40e576c959d8211fdcBen Cheng/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 391dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 40